Element block pseudo-element :after generated with z-index auto border 0px rgba(0,0,0,1) solid box-sizing content-box transform transition height auto font-weight normal overflow hidden font-size 16px line-height 1 background cursor default float none width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px box-shadow 1px 1px 1px rgba(0,0,0,0.3) border-radius display block position static padding 20px